Euler's original derivation of the value essentially extended observations about finite polynomials and assumed that these same properties hold true for infinite series.

The original derivation of Aotearoa is not known for certain.

In van der Waals' original derivation, given below, b is four times the proper volume of the particle.

Scholars are uncertain as to its original derivation, with possible connections to "slide", and "light" having been advanced.

Variations include Bosio and Bossi, the former being among the original derivations of both names.

The original derivation was based on Hartree-Fock theory.

Their origins are unclear, one theory proposing an original Jewish derivation.

Haswell-Smith (2004) states that the original derivation was from the Brythonic budh meaning "corn".

He is also interested in place names as derived from indigenous languages, and aims to correct common misconceptions regarding the original derivations.

The original derivation of AIC relied upon some strong assumptions.